М. М. Кутепова The World of Chemistry Мир

Which of the following is not true?

1. 
   Crude oil is found below land and water;
   
2. 
   Crude oil is always found a few hundred feet below the surface;
   
3. 
   Pumping and pressure force crude oil to the surface;
   
4. 
   A variety of petroleum products is obtained from crude oil.
   

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34. 
    Many thousands of hydrocarbons compounds are possible because....
    

1. 
   the petroleum products vary greatly in physical appearance;
   
2. 
   complicated refining processes rearrange the chemical structure;
   
3. 
   the two atoms in the molecule assume many positions;
   
4. 
   the pressure needed to force it to the surface causes molecular transformation.
   

34. 
    Which of the following is true?
    

1. 
   The various petroleum products are produced by filtration;
   
2. 
   Heating and condensation produce the various products;
   
3. 
   Chemical separation is used to produce the various products;
   
4. 
   Mechanical means such as the centrifuge are used to produce the various products.
   

34. 
    Crude oil is brought to the surface by....
    

1. 
   expansion of hydrocarbons;
   
2. 
   pressure and pumping;
   
3. 
   vacuum created in the drilling pipe;
   
4. 
   expansion and contraction of the Earth’s surface.
   

34. 
    Which of the following is not listed as a light oil?
    

1. 
   distillate oil c) lubricating oil
   
2. 
   gasolene d) kerosene